@article{Sterken:1890,
author = "Sterken, C. and Manfroid, J. and Anton, K. and
Barzewski, A. and Bibo, E. and Bruch, A. and Burger, M.
and Duerbeck, H. W. and Duemmler, R. and Heck, A. and
Hensberge, H. and Hiesgen, M. and Inklaar, F. and
Jorissen, A. and Juettner, A. and Kinkel, U. and Liu, Z.
and Mekkaden, M. V. and Ng, Y. K. and Niarchos, P. and
Puttmann, M. and Szeifert, T. and Spiller, F. and van
Dijk, R. and Vogt, N. and Wanders, I.",
title = "{Longterm Photometry of Variables at ESO - Part Two - the
Second Data Catalogue 1986-1990}",
year = "1993",
}